dig vs trench

dig and trench both are nouns.

Word	Noun	Adjective	Verb	Adverb
dig	Yes	No	Yes	No
trench	Yes	No	Yes	No

As verbs, trench is a hyponym of dig; that is, trench is a word with a more specific, narrower meaning than dig:

Other hyponyms of dig include lift, dibble.

As verbs, trench is a hyponym of dig; that is, trench is a word with a more specific, narrower meaning than dig:

Other hyponyms of dig include drive, ditch.

dig (noun)	trench (noun)
the act of digging	a ditch dug as a fortification having a parapet of the excavated earth
the act of touching someone suddenly with your finger or elbow	any long ditch cut in the ground
a small gouge (as in the cover of a book)	a long steep-sided depression in the ocean floor
an aggressive remark directed at a person like a missile and intended to have a telling effect
the site of an archeological exploration

dig (verb)	trench (verb)
get the meaning of something	cut or carve deeply into
turn up, loosen, or remove earth	dig a trench or trenches
create by digging	cut a trench in, as for drainage
remove the inner part or the core of	fortify by surrounding with trenches
poke or thrust abruptly	set, plant, or bury in a trench
thrust down or into	impinge or infringe upon
remove, harvest, or recover by digging
work hard